Add rule for platform_compat_native service.

Bug: 138275545
Test: Call the service from dumpsys.cpp (http://aosp/1142055)
Change-Id: I259ceb5092d2f1d3e2130ea678ee7fb59cf9e6be
diff --git a/private/service_contexts b/private/service_contexts
index 2f2f4c7..2f4a2f8 100644
--- a/private/service_contexts
+++ b/private/service_contexts
@@ -32,6 +32,7 @@
 com.android.net.IProxyService             u:object_r:IProxyService_service:s0
 companiondevice                           u:object_r:companion_device_service:s0
 platform_compat                           u:object_r:platform_compat_service:s0
+platform_compat_native                    u:object_r:platform_compat_service:s0
 connectivity                              u:object_r:connectivity_service:s0
 connmetrics                               u:object_r:connmetrics_service:s0
 consumer_ir                               u:object_r:consumer_ir_service:s0